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feat:(helm) added a new tool for getting the values.yaml of the chart #268

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feat(helm): Add tool to retrieve values.yaml from Helm chart

Summary

  • Introduced a new MCP tool helm_values that allows users to fetch the default or overridden for a specified Helm chart and version.

  • Implemented the backend logic to support both local and OCI chart references, including version selection.

  • Added comprehensive test coverage for the new tool, including cases for charts with and without values, version selection, missing arguments, and invalid chart paths.

  • Updated MCP server tool registration to include helm_values with appropriate documentation and annotations.

Motivation

This feature enables users and agents to programmatically inspect the configuration options available in Helm charts before installation or upgrade, improving automation and transparency.

Testing

  • Added a new test chart with a populated values.yaml for validation.
  • All new and existing Helm-related tests pass.

Signed-off-by: Praneeth Shetty <praneethshetty626@gmail.com>
@PraneethShetty626
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/cc @manusa

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